Google executive chairman Eric Schmidt speaks during a Commonwealth Club of California event on June 4, 2013 in San Francisco, California. Google's Eric Schmidt spoke in conversation about society's future as new technologies continue to evolve with Jared Cohen, Google's director of Google Ideas and Greg Dalton, Climate One founder.

Google executive chairman Eric Schmidt speaks during a Commonwealth Club of California event on June 4, 2013 in San Francisco, California. Google's Eric Schmidt spoke in conversation about society's future as new technologies continue to evolve with Jared Cohen, Google's director of Google Ideas and Greg Dalton, Climate One founder.

Google executive chairman Eric Schmidt speaks during a Commonwealth Club of California event on June 4, 2013 in San Francisco, California. Google's Eric Schmidt spoke in conversation about society's future as new technologies continue to evolve with Jared Cohen, Google's director of Google Ideas and Greg Dalton, Climate One founder.

Google executive chairman Eric Schmidt speaks during a Commonwealth Club of California event on June 4, 2013 in San Francisco, California. Google's Eric Schmidt spoke in conversation about society's future as new technologies continue to evolve with Jared Cohen, Google's director of Google Ideas and Greg Dalton, Climate One founder.

Google executive chairman Eric Schmidt speaks during a Commonwealth Club of California event on June 4, 2013 in San Francisco, California. Google's Eric Schmidt spoke in conversation about society's future as new technologies continue to evolve with Jared Cohen, Google's director of Google Ideas and Greg Dalton, Climate One founder.

Google executive chairman Eric Schmidt speaks during a Commonwealth Club of California event on June 4, 2013 in San Francisco, California. Google's Eric Schmidt spoke in conversation about society's future as new technologies continue to evolve with Jared Cohen, Google's director of Google Ideas and Greg Dalton, Climate One founder.

Google executive chairman Eric Schmidt speaks during a Commonwealth Club of California event on June 4, 2013 in San Francisco, California. Google's Eric Schmidt spoke in conversation about society's future as new technologies continue to evolve with Jared Cohen, Google's director of Google Ideas and Greg Dalton, Climate One founder.

Google executive chairman Eric Schmidt speaks during a Commonwealth Club of California event on June 4, 2013 in San Francisco, California. Google's Eric Schmidt spoke in conversation about society's future as new technologies continue to evolve with Jared Cohen, Google's director of Google Ideas and Greg Dalton, Climate One founder.

Google executive chairman Eric Schmidt speaks during a Commonwealth Club of California event on June 4, 2013 in San Francisco, California. Google's Eric Schmidt spoke in conversation about society's future as new technologies continue to evolve with Jared Cohen, Google's director of Google Ideas and Greg Dalton, Climate One founder.

Google executive chairman Eric Schmidt speaks during a Commonwealth Club of California event on June 4, 2013 in San Francisco, California. Google's Eric Schmidt spoke in conversation about society's future as new technologies continue to evolve with Jared Cohen, Google's director of Google Ideas and Greg Dalton, Climate One founder.

Google executive chairman Eric Schmidt speaks during a Commonwealth Club of California event on June 4, 2013 in San Francisco, California. Google's Eric Schmidt spoke in conversation about society's future as new technologies continue to evolve with Jared Cohen, Google's director of Google Ideas and Greg Dalton, Climate One founder.

Google executive chairman Eric Schmidt speaks during a Commonwealth Club of California event on June 4, 2013 in San Francisco, California. Google's Eric Schmidt spoke in conversation about society's future as new technologies continue to evolve with Jared Cohen, Google's director of Google Ideas and Greg Dalton, Climate One founder.

Google executive chairman Eric Schmidt speaks during a Commonwealth Club of California event on June 4, 2013 in San Francisco, California. Google's Eric Schmidt spoke in conversation about society's future as new technologies continue to evolve with Jared Cohen, Google's director of Google Ideas and Greg Dalton, Climate One founder.

Google executive chairman Eric Schmidt speaks during a Commonwealth Club of California event on June 4, 2013 in San Francisco, California. Google's Eric Schmidt spoke in conversation about society's future as new technologies continue to evolve with Jared Cohen, Google's director of Google Ideas and Greg Dalton, Climate One founder.